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We present a programmable time alignment scheme used in an ASIC for the ATLAS forward muon trigger development. The scheme utilizes regenerated clocks with programmable phases to compensate for the timing offsets introduced by different…

Instrumentation and Detectors · Physics 2017-08-08 Jinhong Wang , Liang Guan , John W Chapman , Bing Zhou , Junjie Zhu

We introduce the "inverse square root linear unit" (ISRLU) to speed up learning in deep neural networks. ISRLU has better performance than ELU but has many of the same benefits. ISRLU and ELU have similar curves and characteristics. Both…

Machine Learning · Computer Science 2017-11-13 Brad Carlile , Guy Delamarter , Paul Kinney , Akiko Marti , Brian Whitney

The operation of instruments and detectors in laboratory or beamline environments presents a complex challenge, requiring stable operation of multiple concurrent devices, often controlled by separate hardware and software solutions. These…

This paper reports on the development of a resource-efficient FPGA-based neural network regression model for potential applications in the future hardware muon trigger system of the ATLAS experiment at the Large Hadron Collider (LHC).…

Instrumentation and Detectors · Physics 2023-02-13 Rustem Ospanov , Changqing Feng , Wenhao Dong , Wenhao Feng , Kan Zhang , Shining Yang

Blockchain and distributed ledger technologies (DLTs) facilitate decentralized computations across trust boundaries. However, ensuring complex computations with low gas fees and confidentiality remains challenging. Recent advances in…

Cryptography and Security · Computer Science 2026-02-12 Fernando Castillo , Jonathan Heiss , Sebastian Werner , Stefan Tai

The ATLAS trigger has been used very successfully for the online event selection during the first part of the second LHC run (Run-2) in 2015/16 at a center-of-mass energy of 13 TeV. The trigger system is composed of a hardware Level-1…

High Energy Physics - Experiment · Physics 2019-08-13 Catrin Bernius

This article presents the readout electronics of a novel beam monitoring system for ion research facility accelerator. The readout electronics are divided into Front-end Card (FEC) and Readout Control Unit (RCU). FEC uses Topmetal II minus…

Instrumentation and Detectors · Physics 2020-02-18 Honglin Zhang , Haibo Yang , Xianqin Li , Yuezhao Zhang , Xiangming Sun , Dong Wang , Ran Huang , Yao Wang , Wei Zhou , Chengxin Zhao

We propose a new fixed latency scheme for Xilinx gigabit transceivers that will be used in the upgrade of the ATLAS forward muon spectrometer at the Large Hadron Collider. The fixed latency scheme is implemented in a 4.8 Gbps link between a…

Instrumentation and Detectors · Physics 2015-10-28 Jinhong Wang , Xueye Hu , Thomas Schwarz , Junjie Zhu , J. W. Chapman , Tiesheng Dai , Bing Zhou

A Liquid-argon Trigger Digitizer Board (LTDB) is being developed to upgrade the ATLAS Liquid Argon Calorimeter Phase-I trigger electronics. The LTDB located at the front end needs to obtain the clock signals and be configured and monitored…

The Phase-I trigger readout electronics upgrade of the ATLAS Liquid Argon calorimeters enhances the physics reach of the experiment during the upcoming operation at increasing Large Hadron Collider luminosities. The new system, installed…

Instrumentation and Detectors · Physics 2022-05-17 G. Aad , A. V. Akimov , K. Al Khoury , M. Aleksa , T. Andeen , C. Anelli , N. Aranzabal , C. Armijo , A. Bagulia , J. Ban , T. Barillari , F. Bellachia , M. Benoit , F. Bernon , A. Berthold , H. Bervas , D. Besin , A. Betti , Y. Bianga , M. Biaut , D. Boline , J. Boudreau , T. Bouedo , N. Braam , M. Cano Bret , G. Brooijmans , H. Cai , C. Camincher , A. Camplani , S. Cap , A. Carbone , J. W. S. Carter , S. V. Chekulaev , H. Chen , K. Chen , N. Chevillot , M. Citterio , B. Cleland , M. Constable , S. de Jong , A. M. Deiana , M. Delmastro , B. Deng , H. Deschamps , C. Diaconu , A. Dik , B. Dinkespiler , N. Dumont Dayot , A. Emerman , Y. Enari , P. J. Falke , J. Farrell , W. Fielitz , E. Fortin , J. Fragnaud , S. Franchino , L. Gantel , K. Gigliotti , D. Gong , A. Grabas , P. Grohs , N. Guettouche , T. Guillemin , D. Guo , J. Guo , L. Hasley , C. Hayes , R. Hentges , L. Hervas , M. Hils , J. Hobbs , A. Hoffman , D. Hoffmann , P. Horn , T. Hryn'ova , L. Iconomidou-Fayard , R. Iguchi , T. James , K. Johns , T. Junkermann , C. Kahra , E. F. Kay , R. Keeler , S. Ketabchi Haghighat , P. Kinget , E. Knoops , A. Kolbasin , P. Krieger , J. Kuppambatti , L. L. Kurchaninov , E. Ladygin , S. Lafrasse , M. P. J. Landon , F. Lanni , S. Latorre , D. Laugier , M. Lazzaroni , X. Le , P. Le Bourlout , C. A. Lee , M. Lefebvre , M. A. L. Leite , C. Leroy , X. Li , Z. Li , F. Liang , H. Liu , C. Liu , T. Liu , H. Ma , L. L. Ma , D. J. Mahon , U. Mallik , B. Mansoulie , A. L. Maslennikov , N. Matsuzawa , R. A. McPherson , S. Menke , A. Milic , Y. Minami , E. Molina , E. Monnier , N. Morange , L. Morvaj , J. Mueller , C. Mwewa , R. Narayan , N. Nikiforou , I. Ochoa , R. Oishi , D. Oliveira Damazio , R. E. Owen , C. Pancake , D. K. Panchal , G. Perrot , M. -A. Pleier , P. Poffenberger , R. Porter , S. Quan , J. Rabel , A. Roy , J. P. Rutherfoord , F. Sabatini , F. Salomon , E. Sauvan , A. C. Schaffer , R. D. Schamberger , Ph. Schwemling , C. Secord , L. Selem , K. Sexton , E. Shafto , M. V. Silva Oliveira , S. Simion , S. Singh , W. Sippach , A. A. Snesarev , S. Snyder , M. Spalla , S. Stärz , A. Straessner , P. Strizenec , R. Stroynowski , V. V. Sulin , J. Tanaka , S. Tang , S. Tapprogge , G. F. Tartarelli , G. Tateno , K. Terashi , S. Tisserant , D. Tompkins , G. Unal , M. Unal , K. Uno , A. Vallier , S. Vieira de Souza , R. Walker , Q. Wang , C. Wang , R. Wang , M. Wessels , I. Wingerter-Seez , K. Wolniewicz , W. Wu , Z. Xiandong , R. Xu , H. Xu , S. Yamamoto , Y. Yang , J. Ye , H. Zaghia , J. Zang , T. Zhang , H. L. Zhu , V. Zhulanov , E. Zonca , G. Zuk

EUDAQ is a generic data acquisition software developed for use in conjunction with common beam telescopes at charged particle beam lines. Providing high-precision reference tracks for performance studies of new sensors, beam telescopes are…

Gaussian Error Linear Unit (GELU) is a widely used smooth alternative to Rectifier Linear Unit (ReLU), yet many deployment, compression, and analysis toolchains are most naturally expressed for piecewise-linear (ReLU-type) networks. We…

The International Large Detector (ILD) --a detector concept for the International Linear Collider (ILC)-- foresees a Time Projection Chamber (TPC) as its main tracking detector. Currently, the R&D efforts for such a TPC focus on studies…

The High Level Trigger (HLT) of the future ALICE heavy-ion experiment has to reduce its input data rate of up to 25 GB/s to at most 1.25 GB/s for output before the data is written to permanent storage. To cope with these data rates a large…

Distributed, Parallel, and Cluster Computing · Computer Science 2009-09-29 Timm M. Steinbeck

We present a NIM 2U slow-control system designed for continuous monitoring of environmental and facility parameters during data taking in nuclear physics experiments. The architecture integrates a base controller board with eight channels…

Instrumentation and Detectors · Physics 2026-03-17 D. Tagnani , N. Toniolo , B. Gongora , T. Marchi , A. Goasduff

The application of the deep learning model in classification plays an important role in the accurate detection of the target objects. However, the accuracy is affected by the activation function in the hidden and output layer. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Md. Mehedi Hasan , Md. Ali Hossain , Azmain Yakin Srizon , Abu Sayeed

We present a cryogenic configurable slit unit (CSU) for a multi object infrared spectrograph with an effective field of view of 9.1 arcmin x 9.1 arcmin that was completely conceived and designed in the laboratory at TIFR. Several components…

Instrumentation and Methods for Astrophysics · Physics 2023-09-04 P. P. Madhwani , A. P. K. Kutty , B. Mookerjea , J. V. Parmar , V. N. Kurhade , S. L. D'Costa , P. Manoj , A. Surya

Instruction tuning has emerged as a critical paradigm for improving the capabilities and alignment of large language models (LLMs). However, existing iterative model-aware data selection methods incur significant computational overhead, as…

Machine Learning · Computer Science 2025-05-13 Xiaotian Lin , Yanlin Qi , Yizhang Zhu , Themis Palpanas , Chengliang Chai , Nan Tang , Yuyu Luo

Deep networks are gradually penetrating almost every domain in our lives due to their amazing success. However, with substantive performance accuracy improvements comes the price of \emph{irreproducibility}. Two identical models, trained on…

Machine Learning · Computer Science 2020-12-02 Gil I. Shamir , Dong Lin , Lorenzo Coviello

Increasing luminosity at the Fermilab Tevatron collider has led the D0 collaboration to make improvements to its detector beyond those already in place for Run IIa, which began in March 2001. One of the cornerstones of this Run IIb upgrade…

Instrumentation and Detectors · Physics 2008-11-26 M. Abolins